Infrared (IR) night vision CCTV cameras are designed to capture clear images or videos even in low-light or complete darkness. These cameras are equipped with infrared LEDs that emit infrared light, which is invisible to the human eye but can be detected by the camera's sensor. The infrared light illuminates the area around the camera, enabling it to see in the dark without any visible light.
Here’s a quick breakdown of the key features and benefits of infrared night vision CCTV:
1. Infrared LEDs
- These cameras have built-in infrared LEDs around the lens.
- They illuminate the area with infrared light, allowing the camera to record clear footage in total darkness or low-light conditions.
2. Types of Night Vision
- Active IR Night Vision: Uses infrared LEDs to illuminate the area.
- Thermal Imaging: Detects heat signatures in complete darkness, but these are usually more expensive and are used in high-end security systems.
3. Range of Night Vision
- The range of infrared night vision varies by camera model, typically from 30 feet to over 100 feet, depending on the strength and number of IR LEDs.
4. Infrared Cut Filter
- Some high-quality infrared cameras come with an infrared cut filter (ICR) that automatically switches between color and black-and-white images, depending on the light conditions. In low light, the camera will switch to black-and-white mode to capture more details.
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